Question: How was the population of Iloilo City confirmed to be 334,539?
Paraphrase: how was it confirmed that the population of Iloilo City is 334,539?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q459787 p:P1082 ?s . ?s ps:P1082 ?x filter(contains(?x , '334539.0')) . ?s pq:P459 ?value}